The Sleeve,finger, cataloged under National Stock Number 2990-00-970-7553, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Schwitzer Engine Components a Household Intl Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-970-7553 |
| Primary Part Number | B135796 |
| Item Name | Sleeve,finger |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Schwitzer Engine Components a Household Intl Co |
| Status | ACTIVE |
| General Characteristics Item Description | 1.120 IN.OD,0.526 IN.O/A LG,BORE DIA.0.499 IN IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B135796 PRIMARY | Schwitzer Engine Components a Household Intl Co (USA) |
| 7M9908 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 7M9908 | 5/9 Secondary reference Holt Bros |
| IPD7M9908 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| 144040 | 5/9 Secondary reference Echlin Inc |
NSN 2990-00-970-7553 is a Sleeve,finger, manufactured by Schwitzer Engine Components a Household Intl Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-970-7553 has 2 manufacturer part numbers on file: B135796 (Schwitzer Engine Components a Household Intl Co), 7M9908 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for B135796: General Characteristics Item Description: 1.120 IN.OD,0.526 IN.O/A LG,BORE DIA.0.499 IN IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.